NAME

variable − interrogate a radiobutton variable

SYNOPSIS

variable var

DESCRIPTION

­Variable returns the value of a Tk radiobutton variable.  An error diagnostic will be returned if the variable is of the wrong type (if for instance it is the name of a named channel). 

The special variable ­lasterror gives the text of the last Tk error encountered.  It resets when queried. 

SEE ALSO

radiobutton(9)

Plan 9  —  June 29, 2000